CN211152636U

CN211152636U - Direct-connection transmission mechanism of mini-tiller

Info

Publication number: CN211152636U
Application number: CN201921689487.3U
Authority: CN
Inventors: 周军; 刘训富; 刘运; 王杏林
Original assignee: YANCHENG WANFULONG MACHINERY MANUFACTURING CO LTD
Current assignee: YANCHENG WANFULONG MACHINERY MANUFACTURING CO LTD
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-08-04
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a direct-coupled transmission mechanism of a mini-tiller, which comprises a transverse shaft, a second shaft, a third shaft, a fourth shaft, a fifth shaft, a rotary tillage shaft, a sixth shaft and a walking shaft; an input shaft of the engine drives a transverse shaft through a first transmission gear, the first transmission gear is arranged at the end of an engine crankshaft and meshed with the input shaft, power is input into a gearbox through the transverse shaft, and the transverse shaft, a second shaft, a third shaft, a fourth shaft, a fifth shaft and a rotary tillage shaft are in gear transmission and are working routes of rotary tillage cutters; the third shaft can be switched to be in transmission with the second shaft and the fourth shaft or not in transmission, the transverse shaft, the second shaft, the third shaft, the sixth shaft and the walking shaft are walking working routes, and the transverse shaft, the second shaft, the third shaft, the fourth shaft, the fifth shaft and the rotary tillage shaft are in transmission through gears and are rotary tillage cutter working routes. The utility model discloses not only can realize the positive and negative rotation of rotary blade, provide different walking speeds moreover, the atress is balanced around keeping.

Description

Direct-connection transmission mechanism of mini-tiller

Technical Field

The utility model belongs to plough the machine field a little, concretely relates to plough quick-witted antithetical couplet drive mechanism a little.

Background

The mini-tiller uses a small diesel engine or a gasoline engine as power and has the characteristics of light weight, small volume, simple structure and the like. The micro-tillage machine is widely applicable to dry lands, paddy fields, orchards and the like in plains, mountainous areas and hills. The small tiller can be freely driven in the field, is convenient for users to use and store, saves the trouble that large agricultural machinery cannot enter mountain fields, and is a better choice for vast farmers and consumers.

The rotary blade of the existing mini-tiller is driven by an internal combustion engine, and the traveling wheels follow the rotary blade to be driven, so that the rotary blade plays a supporting role.

Disclosure of Invention

The utility model aims at providing a plough quick-witted direct-connected drive mechanism a little, this drive mechanism not only can realize the positive and negative rotation of rotary blade through an engine, provides different walking speed moreover, and the atress is balanced around keeping to adapt to different rotary blade rotational speeds.

In order to solve the technical problem, the utility model discloses a following technical scheme: a direct-connection transmission mechanism of a mini-tiller comprises a transverse shaft, a second shaft, a third shaft, a fourth shaft, a fifth shaft, a rotary tillage shaft, a sixth shaft and a walking shaft;

an input shaft of the engine drives a transverse shaft through a first transmission gear, the first transmission gear is arranged at the end of an engine crankshaft and meshed with the input shaft, power is input into a gearbox through the transverse shaft, and the transverse shaft, a second shaft, a third shaft, a fourth shaft, a fifth shaft and a rotary tillage shaft are in gear transmission and are working routes of rotary tillage cutters; a first bevel gear is arranged on the transverse shaft and meshed with a second bevel gear on a second shaft; the second shaft is also provided with a combiner which can move along the axis, and the other end of the second shaft is fixedly connected with a second transmission gear; a fifth transmission gear, a sixth transmission gear and an eighth transmission gear are arranged on the third shaft; a reversing gear and a third transmission gear are arranged at two ends of the fourth shaft; the center of the fifth shaft is fixedly connected with a first chain wheel, the center of the rotary tillage shaft is fixedly connected with a second chain wheel, the first chain wheel and the second chain wheel are driven by a chain,

the third shaft can be switched to drive or not drive the second shaft and the fourth shaft,

the transverse shaft, the second shaft, the third shaft, the sixth shaft and the walking shaft are walking working paths, and the sixth shaft is provided with integral upper teeth of the duplicate gear, lower teeth of the duplicate gear and a ninth transmission gear.

Further, when the second shaft and the fourth shaft are directly driven, the rotary tillage cutter rotates at a high speed; when the second shaft and the fourth shaft are driven by the third shaft, the rotary blade rotates at a low speed.

Further, a second bevel gear is mounted on the second shaft through a sliding bearing, and the second bevel gear has a tooth shape to be engaged with or disengaged from the coupling.

Furthermore, a slow gear and a fast gear are arranged at two ends of the walking shaft.

The utility model has the advantages that:

1. the operation is convenient, the walking wheels are provided with power, and form two-point power sources with the rotary tillage cutter, so that the walking wheel is more stable, the speed is adjustable, and the walking wheel is suitable for different ground conditions;

2. the forward and reverse rotation and the high-speed and low-speed modes of the rotary blade can be switched;

3. the gear is adopted for direct connection transmission, so that the belt transmission is different, the transmission accuracy is better, and the reliability is higher.

Drawings

FIG. 1 is a front view of the micro-cultivator with a direct-coupled transmission mechanism of the present invention;

FIG. 2 is a schematic view of the power input and rotary tillage shaft high-speed transmission of the direct-coupled transmission mechanism of the micro-cultivator of the present invention;

fig. 3 is a rotary tillage shaft low-speed transmission and walking wheel transmission schematic diagram of a direct-connection transmission mechanism of a mini-tiller.

In the figure: 1. an input shaft; 2. a first drive gear; 3. a first bevel gear; 4. a second bevel gear; 5. a binder; 6. a second transmission gear; 7. a reversing gear; 8. a third transmission gear; 9. a fourth transmission gear; 10. a first sprocket; 11. a chain; 12. a second sprocket; 13. a fifth transmission gear; 14. a sixth transmission gear; 15. a seventh transmission gear; 16. an eighth transmission gear; 17. a ninth drive gear; 18. double gears are arranged on the upper teeth; 19. a duplicate gear lower tooth; 20. a slow gear; 21. a fast gear; 22. a second shaft; 23. a third axis; 24. a fourth axis; 25. a fifth shaft; 26. a rotary tillage shaft; 27. a sixth axis; 28. a traveling shaft; 29. a transverse axis.

Detailed Description

The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, a direct-coupled transmission mechanism of a mini-tiller comprises a transverse shaft 29, a second shaft 22, a third shaft 23, a fourth shaft 24, a fifth shaft 25, a rotary tillage shaft 26, a sixth shaft 27 and a walking shaft 28;

an input shaft 1 of the engine drives a transverse shaft 29 through a first transmission gear 2, the first transmission gear 2 is arranged at the end of an engine crankshaft and meshed with the input shaft 1, power is input into a gearbox through the transverse shaft 29, and the transverse shaft 29, a second shaft 22, a third shaft 23, a fourth shaft 24, a fifth shaft 25 and a rotary tillage shaft 26 are in gear transmission to form a working route of a rotary tillage cutter; the transverse shaft 29 is provided with a first bevel gear 3 which is meshed with a second bevel gear 4 on the second shaft 22; the second shaft 22 is also provided with a combiner 5 which can move along the axis, and the other end of the second shaft is fixedly connected with a second transmission gear 6;

as shown in fig. 3, a fifth transmission gear 13, a sixth transmission gear 14 and an eighth transmission gear 16 are arranged on the third shaft 23; two ends of the fourth shaft 24 are provided with a reversing gear 7 and a third transmission gear 8; the center of the fifth shaft 25 of the fourth transmission gear 9 is fixedly connected with a first chain wheel 10, the center of the rotary tillage shaft 26 is fixedly connected with a second chain wheel 12 which are driven by a chain 11,

the third shaft 23 can be switched into and out of drive with the second shaft 22 and the fourth shaft 24,

as shown in fig. 1 and 3, the transverse shaft 29, the second shaft 22, the third shaft 23, the sixth shaft 27 and the traveling shaft 28 are traveling working paths, and the sixth shaft 27 is provided with an integral double gear upper tooth 18, a double gear lower tooth 19 and a ninth transmission gear 17.

In practical applications, when the second shaft 22 and the fourth shaft 24 are directly driven, the rotary tillage blades rotate at a high speed; when the second shaft 22 and the fourth shaft 24 are driven by the third shaft 23, the rotary blades rotate at a low speed.

In practical application, the second bevel gear 4 is mounted on the second shaft 22 through a sliding bearing, and the second bevel gear 4 has a tooth shape to be engaged with or disengaged from the coupling member 5.

In practical applications, the slow gear 20 and the fast gear 21 are disposed at two ends of the traveling shaft 28.

The utility model discloses a theory of operation: the power input adopts a combiner 5 to switch the clutch, and two sets of shaft assemblies are adopted to drive the travelling wheels to rotate so as to provide power support at the rear end. The transmission speed is switched by different gear meshes.

The high-speed route of the rotary tillage cutter, if ditching: the combiner 5 is connected with the second bevel gear 4, is provided with a second shaft 22 for rotation, is connected to a second transmission gear 6 through a spline, is subjected to direction change and gear shifting through a third transmission gear 7, is transmitted to a third transmission gear 8 through a fourth shaft 24, is engaged with the third transmission gear 8 to move and transmit to a fifth shaft 25, and drives a rotary tillage shaft 26 to rotate through a first chain wheel 10, a chain 11 and a second chain wheel 12, and a rotary tillage cutter is arranged on the rotary tillage shaft 26.

The rotary blade is on low speed route, when rotary tillage, the direction of rotation is opposite with the ditching: the combiner 5 is connected with the second bevel gear 4, rotates with a second shaft 22, is meshed with a fifth transmission gear 13 of a third shaft 23 through a spline to a seventh transmission gear 15, changes the direction and the gear through a gear 14 of the third shaft 23 and a sixth transmission gear 7, transmits a fourth shaft 24 to a third transmission gear 8, transmits a fourth transmission gear 9 and the third transmission gear 8 to a fifth shaft 25 in a meshed mode, drives a rotary tillage shaft 26 to rotate through a first chain wheel 10, a chain 11 and a second chain wheel 12, and is provided with a rotary tillage cutter arranged on the rotary tillage shaft 26.

The transmission route of the walking shaft is as follows: the combiner 5 is connected with the second bevel gear 4, rotates with a second shaft 22, is meshed with a fifth transmission gear 13 of a third shaft 23 through a spline to a seventh transmission gear 15, is meshed with an eighth transmission gear 16 and a ninth transmission gear 17, and is transmitted to the upper gear 18 of the duplicate gear through a spline of a sixth shaft 27, and the lower gear 19 of the duplicate gear and the upper gear 18 of the duplicate gear are an integral duplicate gear. When the rapid walking is needed, the lower teeth 19 of the duplicate gear are meshed with the rapid gear 21 for low-speed rotary tillage; when the speed needs to be slow, the gear 18 is meshed with the slow gear 20 and is used for high-speed ditching and ridging of the rotary blade.

To sum up, the utility model discloses rational in infrastructure, convenient operation through an engine, not only can realize the positive reverse of rotary blade, provides different walking speed moreover, and the atress is balanced around keeping to adapt to different rotary blade rotational speeds.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.

Claims

1. The utility model provides a plough quick-witted antithetical couplet drive mechanism a little which characterized in that: comprises a transverse shaft (29), a second shaft (22), a third shaft (23), a fourth shaft (24), a fifth shaft (25), a rotary tillage shaft (26), a sixth shaft (27) and a walking shaft (28);

an input shaft (1) of the engine drives a transverse shaft (29) through a first transmission gear (2), the first transmission gear (2) is arranged at the end of an engine crankshaft and meshed with the input shaft (1), power is input into a gearbox through the transverse shaft (29), and the transverse shaft (29), a second shaft (22), a third shaft (23), a fourth shaft (24), a fifth shaft (25) and a rotary tillage shaft (26) are in gear transmission and form a rotary tillage cutter working path; a first bevel gear (3) is arranged on the transverse shaft (29) and meshed with a second bevel gear (4) on the second shaft (22); the second shaft (22) is also provided with a combiner (5) which can move along the axis, and the other end of the second shaft is fixedly connected with a second transmission gear (6); a fifth transmission gear (13), a sixth transmission gear (14) and an eighth transmission gear (16) are arranged on the third shaft (23); two ends of the fourth shaft (24) are provided with a reversing gear (7) and a third transmission gear (8); a fourth transmission gear (9), a first chain wheel (10) is fixedly connected with the center of the fifth shaft (25), a second chain wheel (12) is fixedly connected with the center of the rotary tillage shaft (26) and is driven by a chain (11),

the third shaft (23) can be switched into transmission or not in transmission with the second shaft (22) and the fourth shaft (24),

the transverse shaft (29), the second shaft (22), the third shaft (23), the sixth shaft (27) and the walking shaft (28) are walking working paths, and the sixth shaft (27) is provided with integral upper duplex gear teeth (18), lower duplex gear teeth (19) and a ninth transmission gear (17).

2. The direct-connection transmission mechanism of the micro-cultivator of claim 1, wherein: when the second shaft (22) and the fourth shaft (24) are directly driven, the rotary tillage cutter rotates at a high speed; when the second shaft (22) and the fourth shaft (24) are driven by the third shaft (23), the rotary blade rotates at a low speed.

3. The direct-connection transmission mechanism of the micro-cultivator of claim 2, wherein: the second bevel gear (4) is mounted on the second shaft (22) through a sliding bearing, and the second bevel gear (4) is provided with a tooth shape and is combined with or separated from the combiner (5).

4. The micro-cultivator direct-connection transmission mechanism as claimed in any one of claims 1 to 3, wherein: and a slow gear (20) and a fast gear (21) are arranged at two ends of the walking shaft (28).